possession of the qualities (especially mental qualities) required to do something or get something done

having the capacity for thought and reason especially to a high degree

lacking intelligence

a poor ability to understand or to profit from experience

having the capacity for thought and reason especially to a high degree

endowed with the capacity to reason

mental ability

the capacity to understand a broad range of topics

knowledge and intellectual ability

intelligence that is manifested in the performance of tasks requiring little or no use of language

intelligence in the use and comprehension of language

having the capacity for thought and reason especially to a high degree

lacking intelligence